PIC18F46J13T-I/ML - 64KB Flash 8-bit MCU 48MHz 44-QFN | Microchip
MPN: PIC18F46J13T-I/ML ✓ AktifPIC18F46J13T-I/ML Ringkasan
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, peripherals, and I/O. The PIC18 family uses a RISC-based 8-bit Harvard architecture with separate program and data buses, and the 'J' sub-family (PIC18J) specifically targets high-memory-density, low-pin-count, low-voltage applications. The PIC18F46J13 belongs to the broader PIC18 family -> 8-bit MCU -> microcontroller -> embedded computing hierarchy, sharing architectural compatibility with PIC18F2x/4x/5x J-series devices.
Key features include deep-sleep current in the nanoamp range, multiple low-power modes (idle, doze, sleep, deep sleep), a 10-bit or 12-bit ADC with auto-acquisition, three 16-bit timers, two comparators, hardware RTCC, and a charge time measurement unit (CTMU) for capacitive touch sensing. It supports I2C, SPI, and UART/EUSART serial interfaces for communication with external peripherals and sensors. The PIC18J-series operates from 2.0V to 3.6V core Vdd (with 5V-tolerant I/O), making it suitable for battery-powered designs.
Typical applications include low-cost graphical LCD interfaces, real-time control with capacitive touch, USB device/host/OTG peripherals (on USB-equipped J-series siblings), industrial control panels, sensor hubs, and consumer electronics requiring long battery life. The 64KB flash and 3.8KB RAM comfortably host protocol stacks and small RTOS kernels while leaving headroom for application code.
When designing with the PIC18F46J13T-I/ML, observe that the 44-QFN exposed pad must be soldered to the ground plane for thermal dissipation and electrical performance. Configure the internal PLL for 48MHz operation, and select the deep-sleep mode for battery-critical standby. The T-suffix part suffix denotes tape-and-reel packaging.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical PCB/design notes not consolidated in any single manufacturer datasheet.
Alternatif penggantian untuk PIC18F46J13T-I/ML — paket yang sama, pin-pada-pin kompatibel. Bagian paket yang berbeda memerlukan kerja ulang PCB diabaikan.
Variasi di dalam seri ini
Model-series yang sama yang kompatibel dengan penggantian PIC18F46J13T-I/ML (sama faktor bentuk dan footprint) — berbeda di dalam Package, Operating Temperature, I/O Pins, Timers, Core Architecture.
PIC18F46J13-I/ML
✅ Drop-InKontak untuk harga
Lihat Datasheet →PIC18F46J13T-I/PT
✅ Drop-InKontak untuk harga
Lihat Datasheet →PIC18F46J50-I/ML
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
PIC18F46J11-I/ML
✅ Drop-In ⚠️ Spesifikasi Tidak DisahkanKontak untuk harga
Lihat Datasheet →PIC18LF46J13-I/ML
✅ Drop-In ⚠️ Spesifikasi Tidak DisahkanKontak untuk harga
Lihat Datasheet →PIC18F46J13T-I/ML Rating Maksimal & Karakteristik Listrik
| Core | PIC18 (8-bit RISC Harvard) |
| Series | PIC18 J-series (PIC18F46J13) |
| Program Memory Size | 64 KB (32K x 16) FLASH |
| RAM Size | 3.8 KB (3.8K x 8) |
| Maximum CPU Frequency | 48 MHz (12 MIPS) |
| Supply Voltage (Vdd) | 2.0 V to 3.6 V |
| I/O Pins | 34 |
| ADC | 12-bit, up to 13 channels |
| Timers | 3 x 16-bit |
| Comparators | 2 |
| Communication Interfaces | I2C, SPI, EUSART (UART) |
| Suhu Kerja | -40C to +85C (Industrial) |
| Paket | 44-pin QFN (8x8 mm) with Exposed Pad (ML) |
| Tipe Mounting | Surface Mount |
| Oscillator | Internal |
| Low-Power Feature | XLP (eXtreme Low Power) with Deep Sleep mode |
| Packaging | Tape & Reel |
| Status RoHS | Compliant |
Konfigurasi Pin PIC18F46J13T-I/ML
| Pin produk 1 | RA0 — Digital I/O / analog input |
| Pin produk 2 | RA1 — Digital I/O / analog input |
| Pin produk 3 | RA2 — Digital I/O / analog input |
| Pin produk 4 | RA3 — Digital I/O / analog input |
| Pin produk 5 | RA4 — Digital I/O / analog input |
| Pin produk 6 | RA5 — Digital I/O / analog input |
| Pin produk 7 | VSS — Ground |
| Pin produk 8 | RA6 — Digital I/O / analog input |
| Pin produk 9 | RA7 — Digital I/O / analog input |
| Pin produk 10 | RB0 — Digital I/O |
| Pin produk 11 | RB1 — Digital I/O |
| Pin produk 12 | RB2 — Digital I/O |
| Pin produk 13 | RB3 — Digital I/O |
| Pin produk 14 | RB4 — Digital I/O |
| Pin produk 15 | RB5 — Digital I/O |
| Pin produk 16 | RB6 — Digital I/O |
| Pin produk 17 | RB7 — Digital I/O |
| Pin produk 18 | VDD — Positive supply voltage |
| Pin produk 19 | VSS — Ground |
| Pin produk 20 | RC0 — Digital I/O |
| Pin produk 21 | RC1 — Digital I/O |
| Pin produk 22 | RC2 — Digital I/O |
| Pin produk 23 | RC3 — Digital I/O |
| Pin produk 24 | RC4 — Digital I/O |
| Pin produk 25 | RC5 — Digital I/O |
| Pin produk 26 | RC6 — Digital I/O |
| Pin produk 27 | RC7 — Digital I/O |
| Pin produk 28 | RE0 — Digital I/O |
| Pin produk 29 | RE1 — Digital I/O |
| Pin produk 30 | RE2 — Digital I/O |
| Pin produk 31 | VDD — Positive supply voltage |
| Pin produk 32 | VSS — Ground |
| Pin produk 33 | RD0 — Digital I/O |
| Pin produk 34 | RD1 — Digital I/O |
| Pin produk 35 | RD2 — Digital I/O |
| Pin produk 36 | RD3 — Digital I/O |
| Pin produk 37 | RD4 — Digital I/O |
| Pin produk 38 | RD5 — Digital I/O |
| Pin produk 39 | RD6 — Digital I/O |
| Pin produk 40 | RD7 — Digital I/O |
| Pin produk 41 | RF6 — Digital I/O |
| Pin produk 42 | RF7 — Digital I/O |
| Pin produk 43 | RF5 — Digital I/O |
| Pin produk 44 | RF4 — Digital I/O |
Aplikasi Umum
PIC18F46J13T-I/ML cocok untuk 6 aplikasis: Industrial Sensor Hub with Graphical LCD, Battery-Powered Wireless Sensor Node, Capacitive Touch Control Panel, Automotive Body Electronics (Non-Safety), USB-Enabled Consumer Peripheral (J50 Migration Path), Home Appliance Control Board.
Industrial Sensor Hub with Graphical LCD
The PIC18F46J13T-I/ML's 64KB flash and 3.8KB RAM are well-matched to mid-range industrial sensor interfaces driving a graphical LCD. Its 12-bit ADC with up to 13 input channels can digitize multiple analog sensors (temperature, pressure, flow) simultaneously at sample rates up to 100 ksps. The 48MHz CPU clock drives a software UART-to-LCD bridge while leaving headroom for I2C sensor polling. Its 2.0V-3.6V Vdd range tolerates noisy 24V industrial bus rails stepped down by a wide-input LDO, and XLP deep-sleep mode drops quiescent current to nanoamps during standby, extending battery life on wireless HMI panels.
Direkomendasikan
Battery-Powered Wireless Sensor Node
With XLP deep-sleep current in the nanoamp range and 2.0V-3.6V Vdd, the PIC18F46J13T-I/ML is ideal for battery-powered wireless sensor nodes running on 2x AA alkaline or a single Li-Ion cell. The CTMU peripheral enables capacitive-touch wake-up directly from sleep mode, allowing a tamper-proof user interface that consumes negligible standby power. The internal 31 kHz-48 MHz oscillator eliminates an external crystal, reducing BOM cost and PCB area. 64KB of flash hosts a 6LoWPAN or sub-GHz RF protocol stack while 3.8KB of RAM buffers sensor telemetry before burst transmission.
Direkomendasikan
Capacitive Touch Control Panel
The PIC18F46J13T-I/ML's CTMU (Charge Time Measurement Unit) peripheral implements robust capacitive-touch sensing with sub-pF resolution, supporting up to 13 touch electrodes through the ADC mux. The 48MHz CPU delivers fast-scan response times (<10 ms) for 8-12 button panels or slider gestures. The 12-bit ADC doubles as both touch measurement and general-purpose analog input, eliminating a dedicated touch controller. The 44-QFN package has sufficient GPIO (34 I/O pins) to drive status LEDs and a small TFT, and XLP deep sleep keeps idle power consumption below 1 uA for mains-powered or battery-equipped control panels.
Direkomendasikan
Automotive Body Electronics (Non-Safety)
Operating from 2.0V-3.6V with 5V-tolerant I/O and an industrial -40C to +85C temperature range, the PIC18F46J13T-I/ML fits non-safety automotive body modules such as HVAC door control, lighting controllers, and seat-adjustment switches. While it does not carry AEC-Q100 qualification, Microchip's automotive PIC18F equivalents are available in the same QFN package. The 12-bit ADC reads potentiometric position sensors with 1 mV resolution, and the dual comparators detect over-current or stall conditions on brushed DC motor loads. The internal oscillator eliminates external crystal that could fail under sustained vibration.
Direkomendasikan
USB-Enabled Consumer Peripheral (J50 Migration Path)
Although the PIC18F46J13 lacks USB, the J13 silicon is pin-to-pin compatible with the PIC18F46J50 in the same 44-QFN package, giving firmware engineers a clear migration path from a basic non-USB interface to a full-speed USB 2.0 device. 64KB of flash and 3.8KB of RAM support USB device class firmware stacks (HID, CDC, MSD) with the J50. The 48MHz CPU clock generates the 48 MHz USB clock directly without an external crystal when properly configured, simplifying the BOM for USB mice, keyboards, and HID game controllers targeting low-cost retail.
Direkomendasikan
Home Appliance Control Board
White-goods home appliances such as washing machines, dishwashers, and microwave ovens benefit from the PIC18F46J13T-I/ML's balance of cost, peripherals, and power management. The 12-bit ADC monitors motor current and temperature, the comparators handle zero-cross detection for triac-driven AC loads, and the RTCC keeps real-time clock accuracy for delay-start cycles. The 44-QFN's small 8x8 mm footprint fits tight control-board enclosures, and the 3.8KB of RAM supports user-interface string tables for multilingual LCD menus without external memory. Operating temperature up to +85C suits behind-the-dryer-vent mounting with adequate clearance.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk PIC18F46J13T-I/ML — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | PIC18F46J13-I/ML | PIC18F46J13T-I/PT | PIC18F46J50-I/ML |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-QFN (8x8 mm) | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same |
| Flash Memory | 64 KB | 64 KB | 64 KB | 64 KB |
| RAM Size | 3.8 KB | 3.8 KB | 3.8 KB | 3.8 KB |
| Max CPU Frequency | 48 MHz | 48 MHz | 48 MHz | 48 MHz |
| Operating Voltage | 2.0V to 3.6V | 2.0V to 3.6V | 2.0V to 3.6V | 2.0V to 3.6V |
| USB 2.0 Peripheral | No | No | No | Yes (Full-Speed) |
| ADC Resolution | 12-bit | 12-bit | 12-bit | 12-bit |
| I/O Pins | 34 | 34 | 34 | 34 |
Diferensiator Kunci
- Same-package drop-in migration to USB-equipped sibling (vsPIC18F46J50-I/ML)
- XLP deep-sleep current in nanoamp range (vsPIC18F46J11-I/ML)
- Industrial-grade -40C to +85C operating range (vsPIC18LF46J13-I/ML)
Catatan Desain
The 44-QFN package has an exposed thermal pad (EP) at the center of the bottom that must be soldered to a copper ground pour for thermal dissipation. Without proper soldering, junction temperature can exceed the +125C absolute maximum under sustained 48MHz operation. Recommend at least 50 mm^2 of copper pour connected via 4 thermal vias (0.3 mm drill) to the inner ground plane to keep theta_JA below 30 C/W.
Place a 0.1 uF ceramic decoupling capacitor as close as possible to every VDD pin (pins 18 and 31), plus a bulk 10 uF tantalum or aluminum polymer capacitor on the main VDD rail. The two VDD pins should be tied together on the PCB. For battery applications, the XLP deep-sleep mode drops quiescent current to <100 nA but the MCU core logic must be fully clocked down via the OSCCON register to enter this state.
The QFN package does not have gull-wing leads - the only electrical connection is through the perimeter pads and the central EP. Use a reflow profile with peak temperature 250C and a 60-90 second time above 220C. Hand-soldering is NOT recommended for production; assembly must use stencil-printed solder paste with a 0.1 mm-0.15 mm thickness.
Do not confuse PIC18F46J13 (no USB) with PIC18F46J50 (with USB). The two parts share the same package and memory architecture, but their SFR (Special Function Register) maps differ in the USB peripheral region. Firmware developed for the J13 will NOT boot on a J50 without USB register initialization. Always verify the silicon Device ID (DEVID) registers before attempting field-upgrade firmware across families.
Informasi Konformitas
RoHS and REACH compliant per Microchip declaration. Not AEC-Q100 qualified; the PIC18F46J13T family targets industrial/consumer applications, not automotive safety. Lead-free terminations and halogen-free mold compound per datasheet DS39998D.
